Home / 54,753.04-75,553.53-40,420.48

Finding the Fourth Proportional to 54,753.04, 75,553.53 and 40,420.48

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Solution

The fourth proportional to 54,753.04, 75,553.53 and 40,420.48 is: 55,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.04 : 75,553.53 = 40,420.48 : x
  2. Step 2: Convert to fraction form
    54,753.04/75,553.53 = 40,420.48/x
  3. Step 3: Cross multiply
    54,753.04x = 75,553.53 × 40,420.48
  4. Step 4: Simplify right side
    54,753.04x = 3,053,909,948.29
  5. Step 5: Solve for x
    x = 3,053,909,948.29/54,753.04
  6. Step 6: Final answer
    x = 55,776.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.